id:A071762 - OEIS Search Results

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Leftmost 1 is converted to a 2, which then propagates one step at a time until it is rightmost; then it changes to a pair of 1's and the process repeats.

+0
2

0, 1, 2, 11, 21, 12, 111, 211, 121, 112, 1111, 2111, 1211, 1121, 1112, 11111, 21111, 12111, 11211, 11121, 11112, 111111, 211111, 121111, 112111, 111211, 111121, 111112, 1111111, 2111111, 1211111, 1121111, 1112111, 1111211, 1111121, 1111112 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Arises in analysis of Bulgarian solitaire.`
	CROSSREFS	`Cf. A071761.` `Sequence in context: A052216 A094629 A081242 this_sequence A113721 A127199 A085652` `Adjacent sequences: A071759 A071760 A071761 this_sequence A071763 A071764 A071765`
	KEYWORD	`nonn,easy`
	AUTHOR	`Allan C. Wechsler (acw(AT)alum.mit.edu), Jun 07 2002`
	EXTENSIONS	`More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 28 2003`

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Last modified July 26 13:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research